The luggage surface is made of 10 mm thick thermoplastic material It is almost invisible when not in use.There is no drilling when the attachment is hidden to the top. The expensive top case is still in perfect condition.Extra luggage space is quickly available for everything you need. Super high completion.After installation, the motorcycle looks more stylish and you will have more comfortable riding Fitment: FOR K1600 GT 2017-UP FOR K1600 GTL 2011-UP Condition: Easy to install ,not including instructions color:Transparent Material:Acrylic Package Contents: 1 x Motorcycle Rear Luggage Rack Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.